A bar magnet of magnetic moment `10Am^(2)` has a cross sectional area of `2.5xx10^(-4)m^(2)` . If the intensity of magnetisation of the magnet is `10^(6)A//m`, then the length of magnet is

A short bar magnet of magnetic moment 20Am^(2) has a cross sectional area of 1.5xx10^(-4)m^(2) . If the intensity of magnetisation of the magnet is 10^(5)A//m . The length of magnet is

A bar magnet of magnetic moment 10 Am^ 2 has a cross sectional area of 2.5 xx1O^-4 m^2 .If the intensity rof magnetisation of the magnet is 10^6 Am^-1 , the length of the magnet is

A bar magnet has pole strength 4.5Am, magnetic length 12cm and cross sectional area 0.9cm^2. Find intensity of magnetisation (I).

A bar mangnet has length 3 cm cross sectional area 2 cm^(2) and magnetic moment 3 Am^(2) the intensity of magnetisation of the bar magnet is

A bar mangnet has length 3 cm cross sectional area 2 cm^(2) and magnetic moment 3 Am^(2) the intensity of magnetisation of the bar magnet is

A bar magnet has length 3 cm, cross-sectional area 2 cm^(3) and magnetic moment 3 Am^(2) . The intensity of magnetisation of bar magnet is

The magnetic moment of a magnet of mass 75 gm is 9xx10^(-7) A-m^(2) . If the density of the material of magnet is 7.5xx10^(3) kg m^(-3) , then find intensity of magnetisation is

A bar magnet has pole strength 4*5Am , magnetic length 12cm and cross sectional area 0*9cm^2 . Find (a) intensity of magnetisation (I) (b) magnetising intesity (H) at the centre and (c) magnetic induction (B) at the centre of the magnet.